18650 Button Top Battery: Recommend Top 10 Options

18650 button top batteries are famous for their stability and applicability in different gadgets. They are handy in flashlights, portable devices, or other customized electronics; their performance cannot be paralleled. 

Here, you will learn why 18650 button-top batteries are special and which ones are worthy of buying.

Part 1. What is an 18650 button top battery?

An 18650 button-top battery design makes fitting into devices requiring a protruding contact point easier. The dimensions are generally 18mm in diameter and 65mm in length, where the “18650” name comes from.

Key Features:

• High Capacity: Usually ranging from 2000mAh to over 3500mAh.
• Rechargeable: Designed for multiple charging cycles.
• Long Shelf Life: Retains charge well when not in use.
• Safety Features: Often includes protection circuits to prevent overcharging.
• Compatibility: Fits in a wide range of devices due to its raised terminal.

Part 2. Top 10 18650 button top batteries

1. Ufine 7.4 V 4400mAh 18650 Battery Pack

Specifications:

• Capacity: 4400mAh
• Nominal Voltage: 7.4V
• Configuration: 2S2P
• Max Charge Current: 4400mA
• Operating Temp: -20°C to 60°C

Pros:

• High capacity ensures long-lasting performance
• Reliable protection against overcharges and short-circuits
• Supports a wide temperature range, perfect for varied environments
• Ideal for both personal and industrial applications
• Long cycle life enhances cost-effectiveness

Cons:

• Slightly heavier at 200g
• 100 cycles might limit longevity for heavy-duty applications

2. Samsung INR18650-30Q Battery

Specifications:

• Capacity: 3000mAh
• Nominal Voltage: 3.6V
• Max Discharge: 15A
• Rechargeable: Yes
• Dimensions: 18.42mm x 66.64mm

Pros:

• Strong 3000mAh capacity for long-lasting use
• 15A continuous discharge supports high-drain devices
• Reliable button-top design for flashlights and doorbells
• Rechargeable for eco-friendly use
• Global shipping available

Cons:

• Slightly longer than standard 18650 cells
• Not suited for e-cigarettes or vapes

3. LG MJ1 18650 Battery

Specifications:

• Capacity: 3500mAh
• Nominal Voltage: 3.64V
• Max Discharge Current: 5A
• Rechargeable: Yes (400+ cycles)
• Protection Circuit: Yes

Pros:

• High capacity ensures longer runtimes
• Built-in protection for safety in high-drain devices
• Ideal for flashlights and household electronics
• Rechargeable with a long shelf life
• The top design fits well on multiple devices

Cons:

• Max discharge limited to 5A
• It is slightly more expensive for high-capacity

4. Sony VTC6 Battery

Specifications:

• Capacity: 3000mAh
• Nominal Voltage: 3.6V
• Max Discharge Current: 15A
• Rechargeable: Yes
• Dimensions: 18.5mm x 67.1mm

Pros:

• High 15A discharge rating for demanding devices
• Excellent balance between capacity and power output
• Durable design for high-drain applications
• Ideal for power-hungry flashlights and battery packs
• Reliable button top ensures compatibility with various devices

Cons:

• Slightly longer than standard 18650 cells
• Unprotected, requiring careful handling

5. Panasonic NCR18650B Battery

Specifications:

• Capacity: 3350mAh
• Nominal Voltage: 3.6V
• Max Discharge Current: 5A (PCB limit)
• Protection Circuit: Yes, PCB
• Dimensions: 18.9mm x 69.41mm

Pros:

• High capacity, great for long runtimes
• Built-in protection circuit prevents overcharging and short-circuiting
• Reliable for power-hungry devices with moderate discharge needs
• Rechargeable with a long lifespan
• Ideal for flashlights, medical equipment, and other high-drain electronics

Cons:

• Slightly larger than standard 18650 cells
• Lower discharge current compared to high-drain models

6. Sanyo NCR18650GA Battery

Specifications:

• Capacity: 3500mAh
• Nominal Voltage: 3.6V
• Discharge End Voltage: 2.5V
• Max continuous discharge: 10A
• Dimensions: 66.5mm x 18.5mm

Pros:

• High capacity offers extended runtime
• Supports 10A continuous discharge, suitable for high-drain devices
• Rechargeable and long-lasting, ideal for power-demanding electronics
• The button top makes it compatible with many devices
• Compact and lightweight, enhancing portability

Cons:

• Slightly larger than standard 18650 cells
• Not as high-drain as other models

7. Efest IMR18650 Battery

Specifications:

• Capacity: 3500mAh
• Nominal Voltage: 3.7V
• Max continuous discharge: 20A
• Charging voltage: 4.2V
• Dimensions: 18.6mm (D) x 65.2mm (L)

Pros:

• Perfect for high-drain devices
• Large 3500mAh capacity for longer runtimes
• The button top ensures compatibility with various devices
• Rechargeable and durable with multiple cycles

Cons:

• It may not fit in devices requiring flat-top batteries
• Heavier than lower-capacity alternatives

8. Orbtronic 18650 Battery

Specifications:

• Capacity: 3400mAh
• Voltage: 3.7V
• Type: Li-Ion
• Dimensions: 18mm x 65mm
• Weight: 1.6 ounces

Pros:

• High capacity of 3400mAh for extended runtimes
• Protected circuit for enhanced safety against overcharge/discharge
• Button top design ensures compatibility with various devices
• Lightweight and portable

Cons:

• Larger size might not fit all battery compartments
• Slightly higher price compared to unprotected cells

9. Basen 18650 Battery

Specifications:

• Capacity: 3100mAh
• Nominal Voltage: 3.7V
• Max continuous discharge: 40A
• Type: Li-Ion
• Dimensions: Standard 18650 size

Pros:

• The high discharge rate of 40A for demanding applications
• 3100mAh capacity provides substantial runtime
• The flat top design allows for versatile use in various devices
• Li-Ion chemistry ensures stable and reliable performance

Cons:

• Requires a compatible adapter for use with devices designed for flat-top batteries
• Higher discharge rates may reduce the overall battery lifespan

10. Epoch 18650 2600mAh 8A 

Specifications:

• Capacity: 2600mAh
• Continuous Discharge Rating: 8A
• Nominal voltage: 3.7V
• Maximum voltage: 4.2V
• Dimensions: 18.35mm x 70.05mm

Pros:

• Protected with overcharge and over-discharge safety features
• Ideal for moderate-drain devices due to 8A discharge rate
• Rechargeable for repeated use
• Compatible with devices requiring button-top batteries
• Compact design with reliable Epoch build quality

Cons:

• Longer than standard 18650 batteries (70mm) may not fit all devices
• Lower capacity compared to higher-end models (2600mAh)

Part 3. How to choose the right 18650 button top battery?

Here are some tips on choosing the right 18650 button top battery:

• Capacity: You should always choose a battery according to the requirements for usage. On the other hand, the high-capacity battery has a long power backup, but charging or discharging is faster for energy-intensive products.
• Voltage consistency: Keep battery voltage constant while discharging throughout its discharge cycle.
• Brand reliability: You ideally should stick to well-seasoned companies such as Ufine, Panasonic, or Samsung.
• Protection circuit: Select batteries with added safety measures to avoid overheating, short-circuiting, and overcharging.
• Intended use: When choosing a battery to power a flashlight, look for the higher discharge rates. 

Part 4. FAQs 

Ufine

Electronic Engineering Writer

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